changeset 4046:3a9e60224efe SDL-1.2

Cleaned up tabs.
author Ryan C. Gordon <icculus@icculus.org>
date Wed, 11 Jul 2007 07:21:39 +0000
parents f420bba13676
children 810c6f4ab7aa
files src/video/SDL_yuv_mmx.c
diffstat 1 files changed, 291 insertions(+), 292 deletions(-) [+]
line wrap: on
line diff
--- a/src/video/SDL_yuv_mmx.c	Wed Jul 11 06:26:22 2007 +0000
+++ b/src/video/SDL_yuv_mmx.c	Wed Jul 11 07:21:39 2007 +0000
@@ -95,149 +95,149 @@
 	mod = (mod+cols+mod)*4;               // increment for row1 in byte
 
 	__asm__ __volatile__ (
-		 // tap dance to workaround the inability to use %%ebx at will...
-		 //  move one thing to the stack...
-		 "pushl $0\n"  // save a slot on the stack.
-		 "pushl %%ebx\n"  // save %%ebx.
-		 "movl %0, %%ebx\n"  // put the thing in ebx.
-		 "movl %%ebx, 4(%%esp)\n"  // put the thing in the stack slot.
-		 "popl %%ebx\n"  // get back %%ebx (the PIC register).
+		// tap dance to workaround the inability to use %%ebx at will...
+		//  move one thing to the stack...
+		"pushl $0\n"  // save a slot on the stack.
+		"pushl %%ebx\n"  // save %%ebx.
+		"movl %0, %%ebx\n"  // put the thing in ebx.
+		"movl %%ebx,4(%%esp)\n"  // put the thing in the stack slot.
+		"popl %%ebx\n"  // get back %%ebx (the PIC register).
+
+		".align 8\n"
+		"1:\n"
 
-		 ".align 8\n"
-		 "1:\n"
-		
-		 // create Cr (result in mm1)
-		 "pushl %%ebx\n"
-		 "movl 4(%%esp), %%ebx\n"
-		 "movd (%%ebx), %%mm1\n"   //         0  0  0  0  v3 v2 v1 v0
-		 "popl %%ebx\n"
-		 "pxor %%mm7,%%mm7\n"      //         00 00 00 00 00 00 00 00
-		 "movd (%2), %%mm2\n"           //    0  0  0  0 l3 l2 l1 l0
-		 "punpcklbw %%mm7,%%mm1\n" //         0  v3 0  v2 00 v1 00 v0
-		 "punpckldq %%mm1,%%mm1\n" //         00 v1 00 v0 00 v1 00 v0
-		 "psubw %9,%%mm1\n"        // mm1-128:r1 r1 r0 r0 r1 r1 r0 r0 
+		// create Cr (result in mm1)
+		"pushl %%ebx\n"
+		"movl 4(%%esp),%%ebx\n"
+		"movd (%%ebx),%%mm1\n"   //         0  0  0  0  v3 v2 v1 v0
+		"popl %%ebx\n"
+		"pxor %%mm7,%%mm7\n"      //         00 00 00 00 00 00 00 00
+		"movd (%2), %%mm2\n"           //    0  0  0  0 l3 l2 l1 l0
+		"punpcklbw %%mm7,%%mm1\n" //         0  v3 0  v2 00 v1 00 v0
+		"punpckldq %%mm1,%%mm1\n" //         00 v1 00 v0 00 v1 00 v0
+		"psubw %9,%%mm1\n"        // mm1-128:r1 r1 r0 r0 r1 r1 r0 r0
 
 		 // create Cr_g (result in mm0)
-		 "movq %%mm1,%%mm0\n"           // r1 r1 r0 r0 r1 r1 r0 r0
-		 "pmullw %10,%%mm0\n"           // red*-46dec=0.7136*64
-		 "pmullw %11,%%mm1\n"           // red*89dec=1.4013*64
-		 "psraw  $6, %%mm0\n"           // red=red/64
-		 "psraw  $6, %%mm1\n"           // red=red/64
-		 
-		 // create L1 L2 (result in mm2,mm4)
-		 // L2=lum+cols
-		 "movq (%2,%4),%%mm3\n"         //    0  0  0  0 L3 L2 L1 L0
-		 "punpckldq %%mm3,%%mm2\n"      //   L3 L2 L1 L0 l3 l2 l1 l0
-		 "movq %%mm2,%%mm4\n"           //   L3 L2 L1 L0 l3 l2 l1 l0
-		 "pand %12,%%mm2\n"             //   L3 0  L1  0 l3  0 l1  0
-		 "pand %13,%%mm4\n"             //   0  L2  0 L0  0 l2  0 l0
-		 "psrlw $8,%%mm2\n"             //   0  L3  0 L1  0 l3  0 l1
+		"movq %%mm1,%%mm0\n"           // r1 r1 r0 r0 r1 r1 r0 r0
+		"pmullw %10,%%mm0\n"           // red*-46dec=0.7136*64
+		"pmullw %11,%%mm1\n"           // red*89dec=1.4013*64
+		"psraw  $6, %%mm0\n"           // red=red/64
+		"psraw  $6, %%mm1\n"           // red=red/64
 
-		 // create R (result in mm6)
-		 "movq %%mm2,%%mm5\n"           //   0 L3  0 L1  0 l3  0 l1
-		 "movq %%mm4,%%mm6\n"           //   0 L2  0 L0  0 l2  0 l0
-		 "paddsw  %%mm1, %%mm5\n"       // lum1+red:x R3 x R1 x r3 x r1
-		 "paddsw  %%mm1, %%mm6\n"       // lum1+red:x R2 x R0 x r2 x r0
-		 "packuswb %%mm5,%%mm5\n"       //  R3 R1 r3 r1 R3 R1 r3 r1
-		 "packuswb %%mm6,%%mm6\n"       //  R2 R0 r2 r0 R2 R0 r2 r0
-		 "pxor %%mm7,%%mm7\n"      //         00 00 00 00 00 00 00 00
-		 "punpcklbw %%mm5,%%mm6\n"      //  R3 R2 R1 R0 r3 r2 r1 r0
+		// create L1 L2 (result in mm2,mm4)
+		// L2=lum+cols
+		"movq (%2,%4),%%mm3\n"         //    0  0  0  0 L3 L2 L1 L0
+		"punpckldq %%mm3,%%mm2\n"      //   L3 L2 L1 L0 l3 l2 l1 l0
+		"movq %%mm2,%%mm4\n"           //   L3 L2 L1 L0 l3 l2 l1 l0
+		"pand %12,%%mm2\n"             //   L3 0  L1  0 l3  0 l1  0
+		"pand %13,%%mm4\n"             //   0  L2  0 L0  0 l2  0 l0
+		"psrlw $8,%%mm2\n"             //   0  L3  0 L1  0 l3  0 l1
+
+		// create R (result in mm6)
+		"movq %%mm2,%%mm5\n"           //   0 L3  0 L1  0 l3  0 l1
+		"movq %%mm4,%%mm6\n"           //   0 L2  0 L0  0 l2  0 l0
+		"paddsw  %%mm1, %%mm5\n"       // lum1+red:x R3 x R1 x r3 x r1
+		"paddsw  %%mm1, %%mm6\n"       // lum1+red:x R2 x R0 x r2 x r0
+		"packuswb %%mm5,%%mm5\n"       //  R3 R1 r3 r1 R3 R1 r3 r1
+		"packuswb %%mm6,%%mm6\n"       //  R2 R0 r2 r0 R2 R0 r2 r0
+		"pxor %%mm7,%%mm7\n"      //         00 00 00 00 00 00 00 00
+		"punpcklbw %%mm5,%%mm6\n"      //  R3 R2 R1 R0 r3 r2 r1 r0
 
-		 // create Cb (result in mm1)
-		 "movd (%1), %%mm1\n"      //         0  0  0  0  u3 u2 u1 u0
-		 "punpcklbw %%mm7,%%mm1\n" //         0  u3 0  u2 00 u1 00 u0
-		 "punpckldq %%mm1,%%mm1\n" //         00 u1 00 u0 00 u1 00 u0
-		 "psubw %9,%%mm1\n"        // mm1-128:u1 u1 u0 u0 u1 u1 u0 u0 
-		 // create Cb_g (result in mm5)
-		 "movq %%mm1,%%mm5\n"            // u1 u1 u0 u0 u1 u1 u0 u0
-		 "pmullw %14,%%mm5\n"            // blue*-109dec=1.7129*64
-		 "pmullw %15,%%mm1\n"            // blue*114dec=1.78125*64
-		 "psraw  $6, %%mm5\n"            // blue=red/64
-		 "psraw  $6, %%mm1\n"            // blue=blue/64
+		// create Cb (result in mm1)
+		"movd (%1), %%mm1\n"      //         0  0  0  0  u3 u2 u1 u0
+		"punpcklbw %%mm7,%%mm1\n" //         0  u3 0  u2 00 u1 00 u0
+		"punpckldq %%mm1,%%mm1\n" //         00 u1 00 u0 00 u1 00 u0
+		"psubw %9,%%mm1\n"        // mm1-128:u1 u1 u0 u0 u1 u1 u0 u0
+		// create Cb_g (result in mm5)
+		"movq %%mm1,%%mm5\n"            // u1 u1 u0 u0 u1 u1 u0 u0
+		"pmullw %14,%%mm5\n"            // blue*-109dec=1.7129*64
+		"pmullw %15,%%mm1\n"            // blue*114dec=1.78125*64
+		"psraw  $6, %%mm5\n"            // blue=red/64
+		"psraw  $6, %%mm1\n"            // blue=blue/64
 
-		 // create G (result in mm7)
-		 "movq %%mm2,%%mm3\n"      //   0  L3  0 L1  0 l3  0 l1
-		 "movq %%mm4,%%mm7\n"      //   0  L2  0 L0  0 l2  0 l1
-		 "paddsw  %%mm5, %%mm3\n"  // lum1+Cb_g:x G3t x G1t x g3t x g1t
-		 "paddsw  %%mm5, %%mm7\n"  // lum1+Cb_g:x G2t x G0t x g2t x g0t
-		 "paddsw  %%mm0, %%mm3\n"  // lum1+Cr_g:x G3  x G1  x g3  x g1
-		 "paddsw  %%mm0, %%mm7\n"  // lum1+blue:x G2  x G0  x g2  x g0
-		 "packuswb %%mm3,%%mm3\n"  // G3 G1 g3 g1 G3 G1 g3 g1
-		 "packuswb %%mm7,%%mm7\n"  // G2 G0 g2 g0 G2 G0 g2 g0
-		 "punpcklbw %%mm3,%%mm7\n" // G3 G2 G1 G0 g3 g2 g1 g0
-		 
-		 // create B (result in mm5)
-		 "movq %%mm2,%%mm3\n"         //   0  L3  0 L1  0 l3  0 l1
-		 "movq %%mm4,%%mm5\n"         //   0  L2  0 L0  0 l2  0 l1
-		 "paddsw  %%mm1, %%mm3\n"     // lum1+blue:x B3 x B1 x b3 x b1
-		 "paddsw  %%mm1, %%mm5\n"     // lum1+blue:x B2 x B0 x b2 x b0
-		 "packuswb %%mm3,%%mm3\n"     // B3 B1 b3 b1 B3 B1 b3 b1
-		 "packuswb %%mm5,%%mm5\n"     // B2 B0 b2 b0 B2 B0 b2 b0
-		 "punpcklbw %%mm3,%%mm5\n"    // B3 B2 B1 B0 b3 b2 b1 b0
+		// create G (result in mm7)
+		"movq %%mm2,%%mm3\n"      //   0  L3  0 L1  0 l3  0 l1
+		"movq %%mm4,%%mm7\n"      //   0  L2  0 L0  0 l2  0 l1
+		"paddsw  %%mm5, %%mm3\n"  // lum1+Cb_g:x G3t x G1t x g3t x g1t
+		"paddsw  %%mm5, %%mm7\n"  // lum1+Cb_g:x G2t x G0t x g2t x g0t
+		"paddsw  %%mm0, %%mm3\n"  // lum1+Cr_g:x G3  x G1  x g3  x g1
+		"paddsw  %%mm0, %%mm7\n"  // lum1+blue:x G2  x G0  x g2  x g0
+		"packuswb %%mm3,%%mm3\n"  // G3 G1 g3 g1 G3 G1 g3 g1
+		"packuswb %%mm7,%%mm7\n"  // G2 G0 g2 g0 G2 G0 g2 g0
+		"punpcklbw %%mm3,%%mm7\n" // G3 G2 G1 G0 g3 g2 g1 g0
 
-		 // fill destination row1 (needed are mm6=Rr,mm7=Gg,mm5=Bb)
+		// create B (result in mm5)
+		"movq %%mm2,%%mm3\n"         //   0  L3  0 L1  0 l3  0 l1
+		"movq %%mm4,%%mm5\n"         //   0  L2  0 L0  0 l2  0 l1
+		"paddsw  %%mm1, %%mm3\n"     // lum1+blue:x B3 x B1 x b3 x b1
+		"paddsw  %%mm1, %%mm5\n"     // lum1+blue:x B2 x B0 x b2 x b0
+		"packuswb %%mm3,%%mm3\n"     // B3 B1 b3 b1 B3 B1 b3 b1
+		"packuswb %%mm5,%%mm5\n"     // B2 B0 b2 b0 B2 B0 b2 b0
+		"punpcklbw %%mm3,%%mm5\n"    // B3 B2 B1 B0 b3 b2 b1 b0
+
+		// fill destination row1 (needed are mm6=Rr,mm7=Gg,mm5=Bb)
 
-		 "pxor %%mm2,%%mm2\n"           //  0  0  0  0  0  0  0  0
-		 "pxor %%mm4,%%mm4\n"           //  0  0  0  0  0  0  0  0
-		 "movq %%mm6,%%mm1\n"           // R3 R2 R1 R0 r3 r2 r1 r0
-		 "movq %%mm5,%%mm3\n"           // B3 B2 B1 B0 b3 b2 b1 b0
-		 // process lower lum
-		 "punpcklbw %%mm4,%%mm1\n"      //  0 r3  0 r2  0 r1  0 r0
-		 "punpcklbw %%mm4,%%mm3\n"      //  0 b3  0 b2  0 b1  0 b0
-		 "movq %%mm1,%%mm2\n"           //  0 r3  0 r2  0 r1  0 r0
-		 "movq %%mm3,%%mm0\n"           //  0 b3  0 b2  0 b1  0 b0
-		 "punpcklwd %%mm1,%%mm3\n"      //  0 r1  0 b1  0 r0  0 b0
-		 "punpckhwd %%mm2,%%mm0\n"      //  0 r3  0 b3  0 r2  0 b2
+		"pxor %%mm2,%%mm2\n"           //  0  0  0  0  0  0  0  0
+		"pxor %%mm4,%%mm4\n"           //  0  0  0  0  0  0  0  0
+		"movq %%mm6,%%mm1\n"           // R3 R2 R1 R0 r3 r2 r1 r0
+		"movq %%mm5,%%mm3\n"           // B3 B2 B1 B0 b3 b2 b1 b0
+		// process lower lum
+		"punpcklbw %%mm4,%%mm1\n"      //  0 r3  0 r2  0 r1  0 r0
+		"punpcklbw %%mm4,%%mm3\n"      //  0 b3  0 b2  0 b1  0 b0
+		"movq %%mm1,%%mm2\n"           //  0 r3  0 r2  0 r1  0 r0
+		"movq %%mm3,%%mm0\n"           //  0 b3  0 b2  0 b1  0 b0
+		"punpcklwd %%mm1,%%mm3\n"      //  0 r1  0 b1  0 r0  0 b0
+		"punpckhwd %%mm2,%%mm0\n"      //  0 r3  0 b3  0 r2  0 b2
 
-		 "pxor %%mm2,%%mm2\n"           //  0  0  0  0  0  0  0  0
-		 "movq %%mm7,%%mm1\n"           // G3 G2 G1 G0 g3 g2 g1 g0
-		 "punpcklbw %%mm1,%%mm2\n"      // g3  0 g2  0 g1  0 g0  0
-		 "punpcklwd %%mm4,%%mm2\n"      //  0  0 g1  0  0  0 g0  0 
-		 "por  %%mm3, %%mm2\n"          //  0 r1 g1 b1  0 r0 g0 b0
-		 "movq   %%mm2,(%3)\n"          // wrote out ! row1
+		"pxor %%mm2,%%mm2\n"           //  0  0  0  0  0  0  0  0
+		"movq %%mm7,%%mm1\n"           // G3 G2 G1 G0 g3 g2 g1 g0
+		"punpcklbw %%mm1,%%mm2\n"      // g3  0 g2  0 g1  0 g0  0
+		"punpcklwd %%mm4,%%mm2\n"      //  0  0 g1  0  0  0 g0  0
+		"por %%mm3, %%mm2\n"          //  0 r1 g1 b1  0 r0 g0 b0
+		"movq %%mm2,(%3)\n"          // wrote out ! row1
 
-		 "pxor %%mm2,%%mm2\n"           //  0  0  0  0  0  0  0  0
-		 "punpcklbw %%mm1,%%mm4\n"      // g3  0 g2  0 g1  0 g0  0
-		 "punpckhwd %%mm2,%%mm4\n"      //  0  0 g3  0  0  0 g2  0 
-		 "por  %%mm0, %%mm4\n"          //  0 r3 g3 b3  0 r2 g2 b2
-		 "movq   %%mm4,8(%3)\n"         // wrote out ! row1
+		"pxor %%mm2,%%mm2\n"           //  0  0  0  0  0  0  0  0
+		"punpcklbw %%mm1,%%mm4\n"      // g3  0 g2  0 g1  0 g0  0
+		"punpckhwd %%mm2,%%mm4\n"      //  0  0 g3  0  0  0 g2  0
+		"por %%mm0, %%mm4\n"          //  0 r3 g3 b3  0 r2 g2 b2
+		"movq %%mm4,8(%3)\n"         // wrote out ! row1
 		 
-		 // fill destination row2 (needed are mm6=Rr,mm7=Gg,mm5=Bb)
-		 // this can be done "destructive"
-		 "pxor %%mm2,%%mm2\n"           //  0  0  0  0  0  0  0  0
-		 "punpckhbw %%mm2,%%mm6\n"      //  0 R3  0 R2  0 R1  0 R0
-		 "punpckhbw %%mm1,%%mm5\n"      // G3 B3 G2 B2 G1 B1 G0 B0
-		 "movq %%mm5,%%mm1\n"           // G3 B3 G2 B2 G1 B1 G0 B0
-		 "punpcklwd %%mm6,%%mm1\n"      //  0 R1 G1 B1  0 R0 G0 B0
-		 "movq   %%mm1,(%5)\n"          // wrote out ! row2
-		 "punpckhwd %%mm6,%%mm5\n"      //  0 R3 G3 B3  0 R2 G2 B2
-		 "movq   %%mm5,8(%5)\n"         // wrote out ! row2
+		// fill destination row2 (needed are mm6=Rr,mm7=Gg,mm5=Bb)
+		// this can be done "destructive"
+		"pxor %%mm2,%%mm2\n"           //  0  0  0  0  0  0  0  0
+		"punpckhbw %%mm2,%%mm6\n"      //  0 R3  0 R2  0 R1  0 R0
+		"punpckhbw %%mm1,%%mm5\n"      // G3 B3 G2 B2 G1 B1 G0 B0
+		"movq %%mm5,%%mm1\n"           // G3 B3 G2 B2 G1 B1 G0 B0
+		"punpcklwd %%mm6,%%mm1\n"      //  0 R1 G1 B1  0 R0 G0 B0
+		"movq %%mm1,(%5)\n"          // wrote out ! row2
+		"punpckhwd %%mm6,%%mm5\n"      //  0 R3 G3 B3  0 R2 G2 B2
+		"movq %%mm5,8(%5)\n"         // wrote out ! row2
 		 
-		 "addl  $4,%2\n"            // lum+4
-		 "leal  16(%3),%3\n"        // row1+16
-		 "leal  16(%5),%5\n"        // row2+16
-		 "addl  $2, (%%esp)\n"        // cr+2
-		 "addl  $2, %1\n"           // cb+2
+		"addl $4,%2\n"            // lum+4
+		"leal 16(%3),%3\n"        // row1+16
+		"leal 16(%5),%5\n"        // row2+16
+		"addl $2,(%%esp)\n"        // cr+2
+		"addl $2,%1\n"           // cb+2
 
-		 "addl  $4,%6\n"            // x+4
-		 "cmpl  %4,%6\n"
+		"addl $4,%6\n"            // x+4
+		"cmpl %4,%6\n"
 
-		 "jl    1b\n"
-		 "addl           %4,     %2\n" // lum += cols 
-		 "addl           %8,     %3\n" // row1+= mod
-		 "addl           %8,     %5\n" // row2+= mod
-		 "movl           $0,     %6\n" // x=0
-		 "cmpl           %7,     %2\n"
-		 "jl             1b\n"
+		"jl 1b\n"
+		"addl %4,%2\n" // lum += cols
+		"addl %8,%3\n" // row1+= mod
+		"addl %8,%5\n" // row2+= mod
+		"movl $0,%6\n" // x=0
+		"cmpl %7,%2\n"
+		"jl 1b\n"
 
-		 "addl $4, %%esp\n"  // get rid of the stack slot we reserved.
-		 "emms\n"  // reset MMX registers.
-		 :
-		 : "m" (cr), "r"(cb),"r"(lum),
-		   "r"(row1),"r"(cols),"r"(row2),"m"(x),"m"(y),"m"(mod),
-		   "m"(MMX_0080w),"m"(MMX_VgrnRGB),"m"(MMX_VredRGB),
-		   "m"(MMX_FF00w),"m"(MMX_00FFw),"m"(MMX_UgrnRGB),
-		   "m"(MMX_UbluRGB)
+		"addl $4,%%esp\n"  // get rid of the stack slot we reserved.
+		"emms\n"  // reset MMX registers.
+		:
+		: "m" (cr), "r"(cb),"r"(lum),
+		  "r"(row1),"r"(cols),"r"(row2),"m"(x),"m"(y),"m"(mod),
+		  "m"(MMX_0080w),"m"(MMX_VgrnRGB),"m"(MMX_VredRGB),
+		  "m"(MMX_FF00w),"m"(MMX_00FFw),"m"(MMX_UgrnRGB),
+		  "m"(MMX_UbluRGB)
 	);
 }
 
@@ -246,184 +246,183 @@
                              unsigned char *cb, unsigned char *out,
                              int rows, int cols, int mod )
 {
-    Uint16 *row1;
-    Uint16 *row2;
+	Uint16 *row1;
+	Uint16 *row2;
 
-    unsigned char* y = lum +cols*rows;    /* Pointer to the end */
-    int x=0;
-    row1 = (Uint16 *)out;                 /* 16 bit target */
-    row2 = (Uint16 *)out+cols+mod;        /* start of second row  */
-    mod = (mod+cols+mod)*2;               /* increment for row1 in byte */
-
+	unsigned char* y = lum +cols*rows;    /* Pointer to the end */
+	int x = 0;
+	row1 = (Uint16 *)out;                 /* 16 bit target */
+	row2 = (Uint16 *)out+cols+mod;        /* start of second row  */
+	mod = (mod+cols+mod)*2;               /* increment for row1 in byte */
 
-      __asm__ __volatile__(
-         // tap dance to workaround the inability to use %%ebx at will...
-         //  move one thing to the stack...
-         "pushl $0\n"  // save a slot on the stack.
-         "pushl %%ebx\n"  // save %%ebx.
-         "movl %0, %%ebx\n"  // put the thing in ebx.
-         "movl %%ebx, 4(%%esp)\n"  // put the thing in the stack slot.
-         "popl %%ebx\n"  // get back %%ebx (the PIC register).
+	__asm__ __volatile__(
+		// tap dance to workaround the inability to use %%ebx at will...
+		//  move one thing to the stack...
+		"pushl $0\n"  // save a slot on the stack.
+		"pushl %%ebx\n"  // save %%ebx.
+		"movl %0, %%ebx\n"  // put the thing in ebx.
+		"movl %%ebx, 4(%%esp)\n"  // put the thing in the stack slot.
+		"popl %%ebx\n"  // get back %%ebx (the PIC register).
 
-         ".align 8\n"
-         "1:\n"
-         "movd           (%1),                   %%mm0\n" // 4 Cb         0  0  0  0 u3 u2 u1 u0
-         "pxor           %%mm7,                  %%mm7\n"
-         "pushl %%ebx\n"
-         "movl 4(%%esp), %%ebx\n"
-         "movd (%%ebx), %%mm1\n"   // 4 Cr                0  0  0  0 v3 v2 v1 v0
-         "popl %%ebx\n"
+		".align 8\n"
+		"1:\n"
+		"movd           (%1),                   %%mm0\n" // 4 Cb         0  0  0  0 u3 u2 u1 u0
+		"pxor           %%mm7,                  %%mm7\n"
+		"pushl %%ebx\n"
+		"movl 4(%%esp), %%ebx\n"
+		"movd (%%ebx), %%mm1\n"   // 4 Cr                0  0  0  0 v3 v2 v1 v0
+		"popl %%ebx\n"
 
-         "punpcklbw      %%mm7,                  %%mm0\n" // 4 W cb   0 u3  0 u2  0 u1  0 u0
-         "punpcklbw      %%mm7,                  %%mm1\n" // 4 W cr   0 v3  0 v2  0 v1  0 v0
-         "psubw          %9,                     %%mm0\n"
-         "psubw          %9,                     %%mm1\n"
-         "movq           %%mm0,                  %%mm2\n" // Cb                   0 u3  0 u2  0 u1  0 u0
-         "movq           %%mm1,                  %%mm3\n" // Cr
-         "pmullw         %10,                    %%mm2\n" // Cb2green 0 R3  0 R2  0 R1  0 R0
-         "movq           (%2),                   %%mm6\n" // L1      l7 L6 L5 L4 L3 L2 L1 L0
-         "pmullw         %11,                    %%mm0\n" // Cb2blue
-         "pand           %12,                    %%mm6\n" // L1      00 L6 00 L4 00 L2 00 L0
-         "pmullw         %13,                    %%mm3\n" // Cr2green
-         "movq           (%2),                   %%mm7\n" // L2
-         "pmullw         %14,                    %%mm1\n" // Cr2red
-         "psrlw          $8,                     %%mm7\n"        // L2           00 L7 00 L5 00 L3 00 L1
-         "pmullw         %15,                    %%mm6\n" // lum1
-         "paddw          %%mm3,                  %%mm2\n" // Cb2green + Cr2green == green
-         "pmullw         %15,                    %%mm7\n" // lum2
+		"punpcklbw      %%mm7,                  %%mm0\n" // 4 W cb   0 u3  0 u2  0 u1  0 u0
+		"punpcklbw      %%mm7,                  %%mm1\n" // 4 W cr   0 v3  0 v2  0 v1  0 v0
+		"psubw          %9,                     %%mm0\n"
+		"psubw          %9,                     %%mm1\n"
+		"movq           %%mm0,                  %%mm2\n" // Cb                   0 u3  0 u2  0 u1  0 u0
+		"movq           %%mm1,                  %%mm3\n" // Cr
+		"pmullw         %10,                    %%mm2\n" // Cb2green 0 R3  0 R2  0 R1  0 R0
+		"movq           (%2),                   %%mm6\n" // L1      l7 L6 L5 L4 L3 L2 L1 L0
+		"pmullw         %11,                    %%mm0\n" // Cb2blue
+		"pand           %12,                    %%mm6\n" // L1      00 L6 00 L4 00 L2 00 L0
+		"pmullw         %13,                    %%mm3\n" // Cr2green
+		"movq           (%2),                   %%mm7\n" // L2
+		"pmullw         %14,                    %%mm1\n" // Cr2red
+		"psrlw          $8,                     %%mm7\n"        // L2           00 L7 00 L5 00 L3 00 L1
+		"pmullw         %15,                    %%mm6\n" // lum1
+		"paddw          %%mm3,                  %%mm2\n" // Cb2green + Cr2green == green
+		"pmullw         %15,                    %%mm7\n" // lum2
 
-         "movq           %%mm6,                  %%mm4\n" // lum1
-         "paddw          %%mm0,                  %%mm6\n" // lum1 +blue 00 B6 00 B4 00 B2 00 B0
-         "movq           %%mm4,                  %%mm5\n" // lum1
-         "paddw          %%mm1,                  %%mm4\n" // lum1 +red  00 R6 00 R4 00 R2 00 R0
-         "paddw          %%mm2,                  %%mm5\n" // lum1 +green 00 G6 00 G4 00 G2 00 G0
-         "psraw          $6,                     %%mm4\n" // R1 0 .. 64
-         "movq           %%mm7,                  %%mm3\n" // lum2                       00 L7 00 L5 00 L3 00 L1
-         "psraw          $6,                     %%mm5\n" // G1  - .. +
-         "paddw          %%mm0,                  %%mm7\n" // Lum2 +blue 00 B7 00 B5 00 B3 00 B1
-         "psraw          $6,                     %%mm6\n" // B1         0 .. 64
-         "packuswb       %%mm4,                  %%mm4\n" // R1 R1
-         "packuswb       %%mm5,                  %%mm5\n" // G1 G1
-         "packuswb       %%mm6,                  %%mm6\n" // B1 B1
-         "punpcklbw      %%mm4,                  %%mm4\n"
-         "punpcklbw      %%mm5,                  %%mm5\n"
+		"movq           %%mm6,                  %%mm4\n" // lum1
+		"paddw          %%mm0,                  %%mm6\n" // lum1 +blue 00 B6 00 B4 00 B2 00 B0
+		"movq           %%mm4,                  %%mm5\n" // lum1
+		"paddw          %%mm1,                  %%mm4\n" // lum1 +red  00 R6 00 R4 00 R2 00 R0
+		"paddw          %%mm2,                  %%mm5\n" // lum1 +green 00 G6 00 G4 00 G2 00 G0
+		"psraw          $6,                     %%mm4\n" // R1 0 .. 64
+		"movq           %%mm7,                  %%mm3\n" // lum2                       00 L7 00 L5 00 L3 00 L1
+		"psraw          $6,                     %%mm5\n" // G1  - .. +
+		"paddw          %%mm0,                  %%mm7\n" // Lum2 +blue 00 B7 00 B5 00 B3 00 B1
+		"psraw          $6,                     %%mm6\n" // B1         0 .. 64
+		"packuswb       %%mm4,                  %%mm4\n" // R1 R1
+		"packuswb       %%mm5,                  %%mm5\n" // G1 G1
+		"packuswb       %%mm6,                  %%mm6\n" // B1 B1
+		"punpcklbw      %%mm4,                  %%mm4\n"
+		"punpcklbw      %%mm5,                  %%mm5\n"
 
-         "pand           %16,                    %%mm4\n"
-         "psllw          $3,                     %%mm5\n" // GREEN       1
-         "punpcklbw      %%mm6,                  %%mm6\n"
-         "pand           %17,                    %%mm5\n"
-         "pand           %16,                    %%mm6\n"
-         "por            %%mm5,                  %%mm4\n" //
-         "psrlw          $11,                    %%mm6\n" // BLUE        1
-         "movq           %%mm3,                  %%mm5\n" // lum2
-         "paddw          %%mm1,                  %%mm3\n" // lum2 +red      00 R7 00 R5 00 R3 00 R1
-         "paddw          %%mm2,                  %%mm5\n" // lum2 +green 00 G7 00 G5 00 G3 00 G1
-         "psraw          $6,                     %%mm3\n" // R2
-         "por            %%mm6,                  %%mm4\n" // MM4
-         "psraw          $6,                     %%mm5\n" // G2
-         "movq           (%2, %4),               %%mm6\n" // L3 load lum2
-         "psraw          $6,                     %%mm7\n"
-         "packuswb       %%mm3,                  %%mm3\n"
-         "packuswb       %%mm5,                  %%mm5\n"
-         "packuswb       %%mm7,                  %%mm7\n"
-         "pand           %12,                    %%mm6\n" // L3
-         "punpcklbw      %%mm3,                  %%mm3\n"
-         "punpcklbw      %%mm5,                  %%mm5\n"
-         "pmullw         %15,                    %%mm6\n" // lum3
-         "punpcklbw      %%mm7,                  %%mm7\n"
-         "psllw          $3,                     %%mm5\n" // GREEN 2
-         "pand           %16,                    %%mm7\n"
-         "pand           %16,                    %%mm3\n"
-         "psrlw          $11,                    %%mm7\n" // BLUE  2
-         "pand           %17,                    %%mm5\n"
-         "por            %%mm7,                  %%mm3\n"
-         "movq           (%2,%4),                %%mm7\n" // L4 load lum2
-         "por            %%mm5,                  %%mm3\n" //
-         "psrlw          $8,                     %%mm7\n" // L4
-         "movq           %%mm4,                  %%mm5\n"
-         "punpcklwd      %%mm3,                  %%mm4\n"
-         "pmullw         %15,                    %%mm7\n" // lum4
-         "punpckhwd      %%mm3,                  %%mm5\n"
+		"pand           %16,                    %%mm4\n"
+		"psllw          $3,                     %%mm5\n" // GREEN       1
+		"punpcklbw      %%mm6,                  %%mm6\n"
+		"pand           %17,                    %%mm5\n"
+		"pand           %16,                    %%mm6\n"
+		"por            %%mm5,                  %%mm4\n" //
+		"psrlw          $11,                    %%mm6\n" // BLUE        1
+		"movq           %%mm3,                  %%mm5\n" // lum2
+		"paddw          %%mm1,                  %%mm3\n" // lum2 +red      00 R7 00 R5 00 R3 00 R1
+		"paddw          %%mm2,                  %%mm5\n" // lum2 +green 00 G7 00 G5 00 G3 00 G1
+		"psraw          $6,                     %%mm3\n" // R2
+		"por            %%mm6,                  %%mm4\n" // MM4
+		"psraw          $6,                     %%mm5\n" // G2
+		"movq           (%2, %4),               %%mm6\n" // L3 load lum2
+		"psraw          $6,                     %%mm7\n"
+		"packuswb       %%mm3,                  %%mm3\n"
+		"packuswb       %%mm5,                  %%mm5\n"
+		"packuswb       %%mm7,                  %%mm7\n"
+		"pand           %12,                    %%mm6\n" // L3
+		"punpcklbw      %%mm3,                  %%mm3\n"
+		"punpcklbw      %%mm5,                  %%mm5\n"
+		"pmullw         %15,                    %%mm6\n" // lum3
+		"punpcklbw      %%mm7,                  %%mm7\n"
+		"psllw          $3,                     %%mm5\n" // GREEN 2
+		"pand           %16,                    %%mm7\n"
+		"pand           %16,                    %%mm3\n"
+		"psrlw          $11,                    %%mm7\n" // BLUE  2
+		"pand           %17,                    %%mm5\n"
+		"por            %%mm7,                  %%mm3\n"
+		"movq           (%2,%4),                %%mm7\n" // L4 load lum2
+		"por            %%mm5,                  %%mm3\n" //
+		"psrlw          $8,                     %%mm7\n" // L4
+		"movq           %%mm4,                  %%mm5\n"
+		"punpcklwd      %%mm3,                  %%mm4\n"
+		"pmullw         %15,                    %%mm7\n" // lum4
+		"punpckhwd      %%mm3,                  %%mm5\n"
 
-         "movq           %%mm4,                  (%3)\n"  // write row1
-         "movq           %%mm5,                  8(%3)\n" // write row1
+		"movq           %%mm4,                  (%3)\n"  // write row1
+		"movq           %%mm5,                  8(%3)\n" // write row1
 
-         "movq           %%mm6,                  %%mm4\n" // Lum3
-         "paddw          %%mm0,                  %%mm6\n" // Lum3 +blue
+		"movq           %%mm6,                  %%mm4\n" // Lum3
+		"paddw          %%mm0,                  %%mm6\n" // Lum3 +blue
 
-         "movq           %%mm4,                  %%mm5\n" // Lum3
-         "paddw          %%mm1,                  %%mm4\n" // Lum3 +red
-         "paddw          %%mm2,                  %%mm5\n" // Lum3 +green
-         "psraw          $6,                     %%mm4\n"
-         "movq           %%mm7,                  %%mm3\n" // Lum4
-         "psraw          $6,                     %%mm5\n"
-         "paddw          %%mm0,                  %%mm7\n" // Lum4 +blue
-         "psraw          $6,                     %%mm6\n" // Lum3 +blue
-         "movq           %%mm3,                  %%mm0\n" // Lum4
-         "packuswb       %%mm4,                  %%mm4\n"
-         "paddw          %%mm1,                  %%mm3\n" // Lum4 +red
-         "packuswb       %%mm5,                  %%mm5\n"
-         "paddw          %%mm2,                  %%mm0\n" // Lum4 +green
-         "packuswb       %%mm6,                  %%mm6\n"
-         "punpcklbw      %%mm4,                  %%mm4\n"
-         "punpcklbw      %%mm5,                  %%mm5\n"
-         "punpcklbw      %%mm6,                  %%mm6\n"
-         "psllw          $3,                     %%mm5\n" // GREEN 3
-         "pand           %16,                    %%mm4\n"
-         "psraw          $6,                     %%mm3\n" // psr 6
-         "psraw          $6,                     %%mm0\n"
-         "pand           %16,                    %%mm6\n" // BLUE
-         "pand           %17,                    %%mm5\n"
-         "psrlw          $11,                    %%mm6\n" // BLUE  3
-         "por            %%mm5,                  %%mm4\n"
-         "psraw          $6,                     %%mm7\n"
-         "por            %%mm6,                  %%mm4\n"
-         "packuswb       %%mm3,                  %%mm3\n"
-         "packuswb       %%mm0,                  %%mm0\n"
-         "packuswb       %%mm7,                  %%mm7\n"
-         "punpcklbw      %%mm3,                  %%mm3\n"
-         "punpcklbw      %%mm0,                  %%mm0\n"
-         "punpcklbw      %%mm7,                  %%mm7\n"
-         "pand           %16,                    %%mm3\n"
-         "pand           %16,                    %%mm7\n" // BLUE
-         "psllw          $3,                     %%mm0\n" // GREEN 4
-         "psrlw          $11,                    %%mm7\n"
-         "pand           %17,                    %%mm0\n"
-         "por            %%mm7,                  %%mm3\n"
-         "por            %%mm0,                  %%mm3\n"
+		"movq           %%mm4,                  %%mm5\n" // Lum3
+		"paddw          %%mm1,                  %%mm4\n" // Lum3 +red
+		"paddw          %%mm2,                  %%mm5\n" // Lum3 +green
+		"psraw          $6,                     %%mm4\n"
+		"movq           %%mm7,                  %%mm3\n" // Lum4
+		"psraw          $6,                     %%mm5\n"
+		"paddw          %%mm0,                  %%mm7\n" // Lum4 +blue
+		"psraw          $6,                     %%mm6\n" // Lum3 +blue
+		"movq           %%mm3,                  %%mm0\n" // Lum4
+		"packuswb       %%mm4,                  %%mm4\n"
+		"paddw          %%mm1,                  %%mm3\n" // Lum4 +red
+		"packuswb       %%mm5,                  %%mm5\n"
+		"paddw          %%mm2,                  %%mm0\n" // Lum4 +green
+		"packuswb       %%mm6,                  %%mm6\n"
+		"punpcklbw      %%mm4,                  %%mm4\n"
+		"punpcklbw      %%mm5,                  %%mm5\n"
+		"punpcklbw      %%mm6,                  %%mm6\n"
+		"psllw          $3,                     %%mm5\n" // GREEN 3
+		"pand           %16,                    %%mm4\n"
+		"psraw          $6,                     %%mm3\n" // psr 6
+		"psraw          $6,                     %%mm0\n"
+		"pand           %16,                    %%mm6\n" // BLUE
+		"pand           %17,                    %%mm5\n"
+		"psrlw          $11,                    %%mm6\n" // BLUE  3
+		"por            %%mm5,                  %%mm4\n"
+		"psraw          $6,                     %%mm7\n"
+		"por            %%mm6,                  %%mm4\n"
+		"packuswb       %%mm3,                  %%mm3\n"
+		"packuswb       %%mm0,                  %%mm0\n"
+		"packuswb       %%mm7,                  %%mm7\n"
+		"punpcklbw      %%mm3,                  %%mm3\n"
+		"punpcklbw      %%mm0,                  %%mm0\n"
+		"punpcklbw      %%mm7,                  %%mm7\n"
+		"pand           %16,                    %%mm3\n"
+		"pand           %16,                    %%mm7\n" // BLUE
+		"psllw          $3,                     %%mm0\n" // GREEN 4
+		"psrlw          $11,                    %%mm7\n"
+		"pand           %17,                    %%mm0\n"
+		"por            %%mm7,                  %%mm3\n"
+		"por            %%mm0,                  %%mm3\n"
 
-         "movq           %%mm4,                  %%mm5\n"
+		"movq           %%mm4,                  %%mm5\n"
 
-         "punpcklwd      %%mm3,                  %%mm4\n"
-         "punpckhwd      %%mm3,                  %%mm5\n"
+		"punpcklwd      %%mm3,                  %%mm4\n"
+		"punpckhwd      %%mm3,                  %%mm5\n"
 
-         "movq           %%mm4,                  (%5)\n"
-         "movq           %%mm5,                  8(%5)\n"
+		"movq           %%mm4,                  (%5)\n"
+		"movq           %%mm5,                  8(%5)\n"
 
-         "addl           $8,                     %6\n"
-         "addl           $8,                     %2\n"
-         "addl           $4,                     (%%esp)\n"
-         "addl           $4,                     %1\n"
-         "cmpl           %4,                     %6\n"
-         "leal           16(%3),                 %3\n"
-         "leal           16(%5),%5\n" // row2+16
+		"addl           $8,                     %6\n"
+		"addl           $8,                     %2\n"
+		"addl           $4,                     (%%esp)\n"
+		"addl           $4,                     %1\n"
+		"cmpl           %4,                     %6\n"
+		"leal           16(%3),                 %3\n"
+		"leal           16(%5),%5\n" // row2+16
 
-
-         "jl             1b\n"
-         "addl           %4,     %2\n" // lum += cols
-         "addl           %8,     %3\n" // row1+= mod
-         "addl           %8,     %5\n" // row2+= mod
-         "movl           $0,     %6\n" // x=0
-         "cmpl           %7,     %2\n"
-         "jl             1b\n"
-         "addl $4, %%esp\n"  // get rid of the stack slot we reserved.
-         "emms\n"
-         :
-         : "m" (cr), "r"(cb),"r"(lum),
-           "r"(row1),"r"(cols),"r"(row2),"m"(x),"m"(y),"m"(mod),
-           "m"(MMX_0080w),"m"(MMX_Ugrn565),"m"(MMX_Ublu5x5),
-           "m"(MMX_00FFw),"m"(MMX_Vgrn565),"m"(MMX_Vred5x5),
-           "m"(MMX_Ycoeff),"m"(MMX_red565),"m"(MMX_grn565));
+		"jl             1b\n"
+		"addl           %4,     %2\n" // lum += cols
+		"addl           %8,     %3\n" // row1+= mod
+		"addl           %8,     %5\n" // row2+= mod
+		"movl           $0,     %6\n" // x=0
+		"cmpl           %7,     %2\n"
+		"jl             1b\n"
+		"addl $4, %%esp\n"  // get rid of the stack slot we reserved.
+		"emms\n"
+		:
+		: "m" (cr), "r"(cb),"r"(lum),
+		  "r"(row1),"r"(cols),"r"(row2),"m"(x),"m"(y),"m"(mod),
+		  "m"(MMX_0080w),"m"(MMX_Ugrn565),"m"(MMX_Ublu5x5),
+		  "m"(MMX_00FFw),"m"(MMX_Vgrn565),"m"(MMX_Vred5x5),
+		  "m"(MMX_Ycoeff),"m"(MMX_red565),"m"(MMX_grn565)
+	);
 }
 
 #endif /* GCC3 i386 inline assembly */